Hybrid link adaptation for ICI adjustment in OFDMA cellular uplink systems

被引：0
|
作者：
Lee, Jin-Woo [1 ]
Lee, Yong-Lwan
机构：
[1] Seoul Natl Univ, Sch Elect Engn, Kwanak POB 34, Seoul 151600, South Korea
来源：
2007 4TH IEEE CONSUMER COMMUNICATIONS AND NETWORKING CONFERENCE, VOLS 1-3 | 2007年
关键词：
D O I：
10.1109/CCNC.2007.96
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In orthogonal frequency division multiple access (OFDMA)-based uplink systems, it may bot be feasible to exploit the rate adaptation due to severe inter-carrier interference (ICI). In this paper, we propose a novel hybrid link adaptation scheme that employs power adaptation for ICI adjustment and rate adaptation for capacity improvement in OFDMA-based uplink systems. The proposed scheme determines the maximum allowable transmit power in response to the channel gain and mibility of the user, guaranteeing the carrier to interference power ratio (CIR) loss of all users.
引用
收藏
页码：455 / +
页数：2
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